All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn algorithm, named after IBM researcher Hans Peter Luhn, who patented it in ...

Former President Donald Trump's latest populist economic salvo has given credit card issuers a new headache, even though experts are dismissive of its chances. Processing Content The Republican ...

Quick Read Average American cardholder owes $7,886 with credit card interest rates near 23%. Issuer margins prevent Fed rate ...

Out of habit, I pulled a credit card from my wallet — I figured I’d earn rewards on this pricey transaction — but then the tech warned me that his company assesses a 3% surcharge on credit card ...